Granted Patent
Utility
US 6,732,698 · App. 09/688,676
Austempered gray iron cylinder liner and method of manufacture
Inventors:
Tommy J. Bedwell, John F. Miller
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Oct 16, 2000
Inventors
Tommy J. Bedwell
John F. Miller
Assignee (at issue)
Federal-Mogul Worldwide, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.